NWZ-F885, NWZ-F886, NWZ-F887 - Sony Audio Service Manual (repair manual). Page 26

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NWZ-F885/F886/F887
26
4.  USING  METHOD  OF  THE  SERVICE  MODE  TOOL
4-1.  GPS (Except Chinese model)
By displaying the receiving data of the satellite, the operation 
check of the GPS sensor built in this unit can be performed.
Execution condition:
When the defect of GPS operation is suspected, be sure to perform 
this mode.
Note: Chinese model does not need to perform this mode.
Preparation:
• 
Install the service mode tool in “WALKMAN” with reference 
to “2. INSTALLING METHOD OF THE SERVICE MODE 
TOOL” (page 21).
Note: “DiagTestMode” is used in this mode.
• Confi rm that the circumference is the environment of the 
outdoors which the sky has opened.
Procedure:
1.  Start “DiagTestMode” by tap the “DiagTestMode” icon.
 
(The display position in the following fi gure is an example)
2.  Scroll the screen by fl icking.
END
10:10
ICX-1237
01.POWER
02.AUDIO
03.FM
04.NC
05.DIREC
08.VIDEO
09.OTHER
12.WIFI
3. Tap 
“14.GPS”.
Note 1: Other items are not touching by any means.
 
When other items have been touched, tap the [BACK] button and 
return to the following screen.
END
10:10
ICX-1237
08.VIDEO
09.OTHER
12.WIFI
13.BLUE TOOTH
14.GPS
15.G-SEN
16.NFC
17.USB
4. Tap 
“01.GPS”.
BACK
10:10
14.GPS
01.GPS
5. Confi rm that the following screen is displayed, and wait for a 
while.
 
(This operation may take about 30 seconds)
 
(Displayed characters/values in the following fi gure are ex-
ample)
BACK
10:10
Latitude:
Longitude:
Altitude:
Speed:
PRN
SNR
Elevation Azimuth
Flags
Time:
TTFF:
Accuracy:
Bearing:
14.GPS : 01.GPS
6.  In the column of “PRN”, “SNR”, “Elevation, “Azimuth” and 
“Flags”, the appearing/disappearing of values are repeated. 
Wait for a while in this state.
 
(This operation may take about 5 minutes)
 
(Displayed characters/values in the following fi gure are ex-
ample)
BACK
10:10
Latitude:
Longitude:
Altitude:
Speed:
PRN
SNR
Elevation Azimuth
Flags
Time:
TTFF:
Accuracy:
Bearing:
1
31.0
72.0
6.0
U
20
28.0
0.0
0.0
U
11
27.0
57.0
44.0
U
32
24.0
53.0
106.0
U
7
0.0
7.0
211.0
U
8
0.0
20.0
240.0
U
28
0.0
49.0
306.0
U
14.GPS : 01.GPS
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